(Sorry for the cross-subforum posting, but it pertains to a wide range of the ZipZaps products)
Radios Shack has a massive clearance sale (half price) on many of the ZipZaps products: monster trucks, ZipZaps SEs, original ZipZaps, body kits, the lap counter, as well as a few of the other items -
Surf here ->
http://www.radioshack.com/category.a...000_000&Page=1
and browse though the various pages.